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Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com 04/2009 Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Overview INTRODUCTION TO GSM GSM ARCHITECTURE GEOGRAPHICAL NETWORK ORGANIZATION GSM NUMBERING GSM CALLING (MOC, MTC) Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Overview INTRODUCTION TO GSM a b c d What is GSM GSM services History GSM advantages and disadvantages Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com What is GSM?  GSM (Global System for Mobile communication) is a Worldwide Digital Cellular Communications Network    formerly: Groupe Spéciale Mobile (founded 1982) used in over 184 countries The GSM network provides for      mobile voice communication international roaming mobile fax text messaging data services Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com What is GSM?  GSM is a Second Generation (2G) digital radio cellular network  Time Division Multiplexing / Multiple access (TDM/TDMA) are employed  TDM / TDMA allows:   One frequency channel to be subdivided Multiple conversations over a single physical channel Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com GSM Subscriber Services Two basic types: Telephony (Teleservices) Mainly voice services providing capability to communicate with other subscribers Data (Bearer services) Capacity necessary to transmit appropriate data signals between two access points creating an interface to the network Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com GSM Subscriber Services GSM supports the following subscriber services: Dual tone multi frequency (DTMF) tone signaling scheme used for control purposes E.g Remote control of an answering machine Facsimile group III GSM supports CCITT group III Facsimile Special fax converter forms junction between standard analogue fax and GSM FAX Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com GSM Subscriber Services Short Message Services (SMS) Messaging facility consisting of maximum 160 alphanumeric characters to or from a mobile station to another Cell Broadcast Variation of SMS where maximum number of alphanumeric characters is 93 Can be broadcast to users in a certain geographical area E.g Traffic congestion warnings Simpo PDF Merge and Split Unregistered Version - 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http://www.simpopdf.com Mobile Terminated Call Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Detail Sequence of MTC Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Future mobile telecommunication networks Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com ... 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